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// Derived from Inferno utils/6l/l.h
// http://code.google.com/p/inferno-os/source/browse/utils/6l/l.h
//
// Copyright © 1994-1999 Lucent Technologies Inc. All rights reserved.
// Portions Copyright © 1995-1997 C H Forsyth (forsyth@terzarima.net)
// Portions Copyright © 1997-1999 Vita Nuova Limited
// Portions Copyright © 2000-2007 Vita Nuova Holdings Limited (www.vitanuova.com)
// Portions Copyright © 2004,2006 Bruce Ellis
// Portions Copyright © 2005-2007 C H Forsyth (forsyth@terzarima.net)
// Revisions Copyright © 2000-2007 Lucent Technologies Inc. and others
// Portions Copyright © 2009 The Go Authors. All rights reserved.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
enum
{
Sxxx,
/* order here is order in output file */
STEXT,
SELFDATA,
SMACHOPLT,
STYPE,
SSTRING,
SGOSTRING,
SRODATA,
SDATA,
SMACHO, /* Mach-O __nl_symbol_ptr */
SMACHOGOT,
SWINDOWS,
SBSS,
SXREF,
SMACHODYNSTR,
SMACHODYNSYM,
SMACHOINDIRECTPLT,
SMACHOINDIRECTGOT,
SFILE,
SCONST,
SDYNIMPORT,
SSUB = 1<<8, /* sub-symbol, linked from parent via ->sub list */
NHASH = 100003,
};
typedef struct Library Library;
struct Library
{
char *objref; // object where we found the reference
char *srcref; // src file where we found the reference
char *file; // object file
char *pkg; // import path
};
// Terrible but standard terminology.
// A segment describes a block of file to load into memory.
// A section further describes the pieces of that block for
// use in debuggers and such.
typedef struct Segment Segment;
typedef struct Section Section;
struct Segment
{
uchar rwx; // permission as usual unix bits (5 = r-x etc)
uvlong vaddr; // virtual address
uvlong len; // length in memory
uvlong fileoff; // file offset
uvlong filelen; // length on disk
Section* sect;
};
struct Section
{
uchar rwx;
char *name;
uvlong vaddr;
uvlong len;
Section *next; // in segment list
Segment *seg;
};
extern char symname[];
extern char *libdir[];
extern int nlibdir;
extern int cout;
EXTERN char* INITENTRY;
EXTERN char* thestring;
EXTERN Library* library;
EXTERN int libraryp;
EXTERN int nlibrary;
EXTERN Sym* hash[NHASH];
EXTERN Sym* allsym;
EXTERN Sym* histfrog[MAXHIST];
EXTERN uchar fnuxi8[8];
EXTERN uchar fnuxi4[4];
EXTERN int histfrogp;
EXTERN int histgen;
EXTERN uchar inuxi1[1];
EXTERN uchar inuxi2[2];
EXTERN uchar inuxi4[4];
EXTERN uchar inuxi8[8];
EXTERN char* outfile;
EXTERN int32 nsymbol;
EXTERN char* thestring;
EXTERN int ndynexp;
EXTERN Segment segtext;
EXTERN Segment segdata;
EXTERN Segment segsym;
void addlib(char *src, char *obj);
void addlibpath(char *srcref, char *objref, char *file, char *pkg);
Section* addsection(Segment*, char*, int);
void copyhistfrog(char *buf, int nbuf);
void addhist(int32 line, int type);
void asmlc(void);
void histtoauto(void);
void collapsefrog(Sym *s);
Sym* lookup(char *symb, int v);
Sym* rlookup(char *symb, int v);
void nuxiinit(void);
int find1(int32 l, int c);
int find2(int32 l, int c);
int32 ieeedtof(Ieee *e);
double ieeedtod(Ieee *e);
void undefsym(Sym *s);
void zerosig(char *sp);
void readundefs(char *f, int t);
int32 Bget4(Biobuf *f);
void loadlib(void);
void errorexit(void);
void mangle(char*);
void objfile(char *file, char *pkg);
void libinit(void);
void pclntab(void);
void symtab(void);
void Lflag(char *arg);
void usage(void);
void adddynrel(Sym*, Reloc*);
void ldobj1(Biobuf *f, char*, int64 len, char *pn);
void ldobj(Biobuf*, char*, int64, char*, int);
void ldelf(Biobuf*, char*, int64, char*);
void ldmacho(Biobuf*, char*, int64, char*);
void ldpe(Biobuf*, char*, int64, char*);
void ldpkg(Biobuf*, char*, int64, char*, int);
void mark(Sym *s);
void mkfwd(void);
char* expandpkg(char*, char*);
void deadcode(void);
void ewrite(int, void*, int);
Reloc* addrel(Sym*);
void codeblk(int32, int32);
void datblk(int32, int32);
Sym* datsort(Sym*);
void reloc(void);
void relocsym(Sym*);
void savedata(Sym*, Prog*, char*);
void symgrow(Sym*, int32);
vlong addstring(Sym*, char*);
vlong adduint32(Sym*, uint32);
vlong adduint64(Sym*, uint64);
vlong addaddr(Sym*, Sym*);
vlong addaddrplus(Sym*, Sym*, int32);
vlong addpcrelplus(Sym*, Sym*, int32);
vlong addsize(Sym*, Sym*);
vlong adduint8(Sym*, uint8);
vlong adduint16(Sym*, uint16);
void asmsym(void);
void asmelfsym64(void);
void asmplan9sym(void);
void strnput(char*, int);
void dodata(void);
void address(void);
void textaddress(void);
void genasmsym(void (*put)(Sym*, char*, int, vlong, vlong, int, Sym*));
vlong datoff(vlong);
void adddynlib(char*);
int archreloc(Reloc*, Sym*, vlong*);
void adddynsym(Sym*);
void addexport(void);
void dostkcheck(void);
void undef(void);
void doweak(void);
int pathchar(void);
void* mal(uint32);
void unmal(void*, uint32);
void mywhatsys(void);
int rbyoff(const void*, const void*);
uint16 le16(uchar*);
uint32 le32(uchar*);
uint64 le64(uchar*);
uint16 be16(uchar*);
uint32 be32(uchar*);
uint64 be64(uchar*);
typedef struct Endian Endian;
struct Endian
{
uint16 (*e16)(uchar*);
uint32 (*e32)(uchar*);
uint64 (*e64)(uchar*);
};
extern Endian be, le;
// relocation size bits
enum {
Rbig = 128,
Rlittle = 64,
};
/* set by call to mywhatsys() */
extern char* goroot;
extern char* goarch;
extern char* goos;
/* whence for ldpkg */
enum {
FileObj = 0,
ArchiveObj,
Pkgdef
};
/* executable header types */
enum {
Hgarbunix = 0, // garbage unix
Hnoheader, // no header
Hunixcoff, // unix coff
Hrisc, // aif for risc os
Hplan9x32, // plan 9 32-bit format
Hplan9x64, // plan 9 64-bit format
Hmsdoscom, // MS-DOS .COM
Hnetbsd, // NetBSD
Hmsdosexe, // fake MS-DOS .EXE
Hixp1200, // IXP1200 (raw)
Helf, // ELF32
Hipaq, // ipaq
Hdarwin, // Apple Mach-O
Hlinux, // Linux ELF
Hnacl, // Google Native Client
Hfreebsd, // FreeBSD ELF
Hwindows, // MS Windows PE
Htiny // tiny (os image)
};
typedef struct Header Header;
struct Header {
char *name;
int val;
};
EXTERN char* headstring;
extern Header headers[];
int headtype(char*);
int Yconv(Fmt*);
#pragma varargck type "Y" Sym*
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